Leviticus 25:5תִבְצֹר
You are not to reap the aftergrowth of your harvest or gather the grapes of your untended vines. The land must have a year of complete rest.
Deuteronomy 1:28וּבְצוּרֹת
Where can we go? Our brothers have made our hearts melt, saying: ‘The people are larger and taller than we are; the cities are large, with walls up to the heavens. We even saw the descendants of the Anakim there.’”
2 Kings 18:13הַבְּצֻרוֹת
In the fourteenth year of Hezekiah’s reign, Sennacherib king of Assyria attacked and captured all the fortified cities of Judah.
2 Chronicles 17:2הַבְּצֻרוֹת
He stationed troops in every fortified city of Judah and put garrisons in the land of Judah and in the cities of Ephraim that his father Asa had captured.
Isaiah 2:15בְצוּרָה
against every high tower, against every fortified wall,
Jeremiah 15:20בְּצוּרָה
Then I will make you a wall to this people, a fortified wall of bronze; they will fight against you but will not overcome you, for I am with you to save and deliver you, declares the LORD.

Brown-Driver-Briggs

[בָּצַר] vb. cut off, make inaccessible (esp. by fortifying), enclose

Qal cut off, grape-clusters; hence grape-gathering, -gatherer; fig. cut off (= take away)

Niph. be withheld

Pi. fortify

Sources: Brown-Driver-Briggs (1906, public domain) from the Open Scriptures Hebrew Lexicon (CC BY 4.0), glosses from STEPBible TBESH (CC BY 4.0); STEPBible TAHOT (Hebrew Bible, Leningrad Codex, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.